The MX643 is a low power, low cost device that uses signal processing techniques to detect audible tone signals such as; Dial, Ring, Busy, Unobtainable, and other conditions found when placing a call throughout the worldâs telecom systems. The detection of these Call Progress stages is essential to the proper operation and application of automatic calling products.
⢠International Special Information Tone Identification
⢠Worldwide Tone Compatibility ⢠- 40°C to 85°C Operating Temp
⢠Single and Dual Tone Detected ⢠Low Supply Current (0.3mA/0.5mA)
⢠U.S. Busy-Detect Output ⢠Low Supply Voltage (3.3V/5.0V)
⢠Voice-Detect Output ⢠Standard 3.58MHz Clock Input
⢠Wide Dynamic Range > 40dBm ⢠Standard 8-pin DIP Package
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